Life Sciences

Found results: 11545

Bioethics

Surrogacy

Lawyer S.V.Lebedev answered the questions of readers of "Mednovosti" about the legal and ethical aspects of surrogacy.

06.04.2011
Nanotechnology

Ghosts of scary bacteria rattle chains of nanopowder

Encapsulation of antibiotics in nanofibers makes them capable of killing drug-resistant bacteria so effectively that scientists describe the remnants of pathogenic microorganisms as "ghosts".

01.04.2011
Prolonging youth

Paint for prolonging life

Laboratory dye thioflavin T (basic yellow) prolongs the life of C.elegans worms almost twice.

01.04.2011
Biomedicine

Prostate cancer diagnosis: twice as accurate?

A prostate-specific antigen test gives false positive results in 40% of cases. The new test, for the presence of four more proteins, can double the reliability of early diagnosis of prostate cancer.

29.03.2011
Genetics

Do short telomeres warn about diabetes?

Shortening of telomeres can serve not only as an indicator of aging, but perhaps also as a biomarker for the development of diabetes.

29.03.2011
Biomedicine

Overcome the blood-brain barrier: details

Exosomes injected into the blood – the smallest capsules produced by most cells of the body, are able to transfer the drug to the brain through the usually impenetrable blood-brain barrier.

25.03.2011
Genetics

Genome sequencing: another record

The third-generation sequencer, which was able to read the genome of a bacterium in just an hour, still costs over $700,000, but the first "fast" sequencers cost about a million.

25.03.2011
Genetics

Naltrexone helps drunks. But not everyone

The blocker of opioid receptors of the mu type in the brain – naltrexone – helps men with a certain mutation in the OPRM1 gene to refuse alcohol abuse, and women – even without such a mutation.

25.03.2011
Cellular technologies

Live spermatozoa from frozen testes

Artificial insemination of experimental mice with the obtained spermatozoa led to the birth of mice of both sexes, which themselves were able to produce offspring.

24.03.2011
Other life sciences

Life. Science Version

The festival "Life. Version of Science" started today and will last until April 17. It is dedicated to various aspects of life – the origin of life, evolution, new possibilities of medicine, the development of artificial intelligence and robotics.

24.03.2011
Biomedicine

All-in-one nanoparticles for cancer diagnosis and treatment

The new nanoparticle is a package of tools for several types of imaging and treatment, the combination of which can be selected in a way that was previously difficult to even imagine. And the unprecedented safety of such nanoparticles for the body crowns the success of scientists.

24.03.2011
New in Gerontology

How to protect DNA from aging

The assault on the fortress "Aging Process" continues: scientists have found a way to preserve DNA.

22.03.2011
Other life sciences

Music of Thought

The brain-computer interface allows paralyzed patients to play music using the power of thought.

22.03.2011
Biomedicine

Overcome the blood-brain barrier

The blood-brain barrier does not allow all medicinal substances, even low-molecular ones, to enter the brain. Because of their large size, it is even more difficult to deliver drugs for gene therapy to the brain. But if you try...

21.03.2011
Biomedicine

The earliest prediction of future diabetes

A new laboratory test makes it possible to accurately predict the development of type 2 diabetes mellitus 10 years before the first clinical symptoms of the disease appear.

21.03.2011